Home / 369,077.20-553,615.80-236,107.60

Finding the Fourth Proportional to 369,077.20, 553,615.80 and 236,107.60

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Solution

The fourth proportional to 369,077.20, 553,615.80 and 236,107.60 is: 354,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,077.20 : 553,615.80 = 236,107.60 : x
  2. Step 2: Convert to fraction form
    369,077.20/553,615.80 = 236,107.60/x
  3. Step 3: Cross multiply
    369,077.20x = 553,615.80 × 236,107.60
  4. Step 4: Simplify right side
    369,077.20x = 130,712,897,860.08
  5. Step 5: Solve for x
    x = 130,712,897,860.08/369,077.20
  6. Step 6: Final answer
    x = 354,161.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.